Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 4, 2004. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 625 | S12 | W60 | 02 | 0020 | Alpha | Jun 1, 2004 | Jun 8, 2004 | Jun 21, 2004 |
| № 624 | S07 | E34 | 02 | 0020 | Beta | Jun 8, 2004 | Jun 15, 2004 | Jun 28, 2004 |
| № 622 | S09 | E16 | 03 | 0010 | Alpha | Jun 7, 2004 | Jun 13, 2004 | Jun 27, 2004 |
| № 621 | S14 | W05 | 30 | 0090 | Beta | Jun 5, 2004 | Jun 12, 2004 | Jun 25, 2004 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1975 to June 2004. The gray background is the average SSN index.
